Northrop Grumman Corp. (NYSE: NOC) said it has entered into an exclusive, five-year agreement with AAR Corp. of Illinois and Sumitomo Corp. of Japan, expanding industrial support for the Japan E-2C Hawkeye program by establishing a “just-in-time” inventory management process.

Japan initially acquired E-2C aircraft to provide “over the horizon” early warning against low flying aircraft. The mission has evolved over time to include long-range sea and air surveillance. The E-2 Hawkeye provides continuous and simultaneous 360-degree surface and air surveillance, at maximum range.

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